Dental handpiece support unit



FIG. 1 is a top perspective view of a dental handpiece support unit showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image and the broken-line showing the handpiece and connecting tubing being for illustrative purposes only and forming no part of the claimed design;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a dental handpiece support unit, as shown and described. 